| Thorsteinsson, Thorsteinn Jakob F1844 | 0-1 | Murphy, Hugh W2100 | Reykjavik Open 2023 | 2023 |
| Hagen, Andreas1244 | 0-1 | Thorsteinsson, Thorsteinn Jakob F1844 | Reykjavik Open 2023 | 2023 |
| Thorsteinsson, Thorsteinn Jakob F1844 | 0-1 | Hnatyshyn, Anastasiia2114 | Reykjavik Open 2023 | 2023 |
| Shadrina, Eva1563 | ½-½ | Thorsteinsson, Thorsteinn Jakob F1844 | Reykjavik Open 2023 | 2023 |
| Thorsteinsson, Thorsteinn Jakob F1844 | 0-1 | Bjornsson, Si2310 | Reykjavik Open 2023 | 2023 |
| Ruiz Buendia, Miguel2172 | 1-0 | Thorsteinsson, Thorsteinn Jakob F1844 | Reykjavik Open 2023 | 2023 |
| Thorsteinsson, Thorsteinn Jakob F1844 | 1-0 | Shundi, Matias2145 | Reykjavik Open 2023 | 2023 |
| Hafthorsson, Jon Ulfur1434 | 0-1 | Thorsteinsson, Thorsteinn Jakob F1844 | Reykjavik Open 2023 | 2023 |
| Kolka, Dawid1897 | ½-½ | Thorsteinsson, Thorsteinn Jakob F1394 | Kvika Reykjavik Open 2022 | 2022 |
| Thorsteinsson, Thorsteinn Jakob F1394 | 0-1 | Filipovich, D1975 | Kvika Reykjavik Open 2022 | 2022 |
| Carlsson, Gustav2008 | 0-1 | Thorsteinsson, Thorsteinn Jakob F1394 | Kvika Reykjavik Open 2022 | 2022 |
| Thorsteinsson, Thorsteinn Jakob F1394 | 0-1 | Johannsdottir, J1973 | Kvika Reykjavik Open 2022 | 2022 |
| Acevedo Mendez, Lisseth1801 | 0-1 | Thorsteinsson, Thorsteinn Jakob F1394 | Kvika Reykjavik Open 2022 | 2022 |
| Haraldsson, Haraldur1903 | 1-0 | Thorsteinsson, Thorsteinn Jakob F1394 | Kvika Reykjavik Open 2022 | 2022 |
| Thorsteinsson, Thorsteinn Jakob F1394 | ½-½ | Larkin, Benjamin1857 | Kvika Reykjavik Open 2022 | 2022 |